Product Details
The Honeywell 51401491-100, also cataloged as the MU-TAMT02 Low Level Analog Input Multiplexer Module, operates as a dedicated hardware component for low-level analog input multiplexing and signal filtering within Honeywell TDC 3000 and Process Manager (PM/APM/HPM) I/O subsystems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51401491-100 (MU-TAMT02) |
| Brand | Honeywell |
| Origin | USA |
| Weight | 1.15 kg |
| Dimensions | Standard Size B Board Form Factor |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard Backplane Bus Supply |
| Channel Count | 16 Input Channels |
| Module Type | Low Level Analog Input Multiplexer / Filter (TC Mux) |
| Compatibility | TC-FTA / MU-TAM02 Subsystem Interfaces |
| Mounting | Panel Mount / Sub-Panel Assembly |
Cold Junction Compensation & Channel Isolation
Engineered for accurate low-level temperature measurement processing, the unit handles thermocouple (TC) signal routing with channel-to-channel signal conditioning and filtering. The board interfaces directly with Field Termination Assemblies (TC-FTA) to maintain precise cold junction compensation (CJC) across all 16 channels. The filtering circuitry suppresses common-mode noise and power line interference, preserving signal integrity before routing the multiplexed analog voltages to the primary I/O processor over the dedicated I/O backplane.
Frequently Asked Questions
Q: Does the 51401491-100 MU-TAMT02 module support hot-swapping during active subsystem operation?
A: Field removal and insertion should be performed only when the card file chassis power is isolated or following specific Honeywell PM/APM maintenance procedures to avoid transient signal glitches on adjacent input channels.
Q: How are thermocouple cold junction compensation signals handled through this board?
A: Cold junction compensation reference signals are sourced at the connected Field Termination Assembly (TC-FTA) and routed through the 51401491-100 multiplexer channel matrix, ensuring calibrated mV-to-temperature processing at the controller level.
Q: What mounting configuration does this circuit board assembly require?
A: The module utilizes a Size B panel mount card design, securing directly into the corresponding Honeywell I/O card file chassis using standard card guides and retention screws.
Field Installation Guidelines
- Verify chassis power is de-energized or set to maintenance bypass prior to installing the board into the Size B slot.
- Align the board edges with the panel chassis card guides, pushing firmly until the rear edge connectors seat completely into the backplane assembly.
- Secure all retention screws on the front mounting faceplate to ensure proper frame grounding.
- Connect the multi-conductor cable from the TC-FTA termination block to the corresponding front/rear interface header, verifying connector locking latches are fully engaged.
- Ensure shield drain wires from field thermocouple cables are grounded strictly at the FTA terminal strip to eliminate ground loop voltage offsets.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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